Position Indicator Dual Transmitter System
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Solution Overview
Problem
Users face the burden of managing multiple position indicators for different configuration types of position detection systems, leading to increased costs and complexity.
Innovation Solution
A position indicator equipped with a first transmitter, a second transmitter, a circuit input circuit, a signal generation circuit, multiple additional information circuits, and a controller that can adapt to different configuration types by controlling the transmission of position detecting signals and additional information based on external inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a position indicator is designed for a specific configuration type of position detection system, then compatibility with that specific system is improved, but the number of different position indicators that users must manage increases
Solution Approach 1:
The position indicator is designed with multiple transmitters (first transmitter for capacitive coupling, second transmitter for electromagnetic coupling) and a controller that can select between different transmission modes. This allows a single position indicator to function with multiple types of position detection systems, eliminating the need for users to manage multiple specialized indicators.
Solution Approach 2:
The position indicator incorporates a controller that dynamically switches between different transmission modes (capacitive coupling mode and electromagnetic coupling mode) based on the type of position detection system being used. This dynamic adaptability allows the same hardware to serve multiple configuration types.
2Adaptability or versatility
If multiple position indicators are provided for different configuration types, then compatibility with various position detection systems is improved, but user burden in terms of cost and management increases
Solution Approach 1:
By integrating multiple transmission capabilities (capacitive and electromagnetic coupling) into a single position indicator, the invention eliminates the need for users to purchase and manage multiple specialized indicators for different systems, directly reducing cost and management burden.
Solution Approach 2:
The controller automatically detects the type of position detection system and selects the appropriate transmission mode without requiring user intervention or configuration, making the multi-functional capability transparent to the user and eliminating the need for manual setup.
3Device complexity
If a position indicator uses a passive scheme without sending position detecting signals, then device complexity is reduced, but measurement precision and detection sensitivity deteriorate
Solution Approach 1:
The position indicator can switch between different transmission schemes (capacitive coupling and electromagnetic coupling) depending on the application requirements. The electromagnetic coupling scheme provides higher detection sensitivity for applications where precision is critical, while the capacitive coupling scheme offers simpler implementation for less demanding applications.
Solution Approach 2:
The controller dynamically selects between passive capacitive coupling mode and active electromagnetic coupling mode based on the detected position detection system type and requirements, allowing the device to optimize between simplicity and precision as needed.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The position indicator can automatically configure itself to be compatible with various position detection systems, reducing the need for multiple indicators and minimizing user burden in terms of cost and management.
Implementation Method 1
a position indicator of a first configuration type is a position indicator of a scheme (passive scheme) wherein the position indicator does not send out a position detecting signal but AC (Alternating Current) electric field energy sent out from a sensor circuit of the position detection system flows to the earth (ground) through the position indicator and a human body
Implementation Method 2
a position indicator of a second configuration type of the capacitive coupling scheme is a position indicator of a scheme (improved type of the passive scheme) which is an improvement of the first configuration type described above, which is low in sensitivity in position detection
Data Source
AI summary
A position indicator includes a pen-shaped body; control circuitry housed in the pen-shaped body and configured to generate position detection signals and generate additional information about the position indicator; a first receiver; a second receiver different from the first receiver; a first transmitter provided near a distal end of the pen-shaped body and configured to transmit the position detection signals to a sensor of a position detection system; and a second transmitter, which is different from the first transmitter and configured to transmit wireless signals to the position detection system. The control circuitry, in response to a control signal from the position detection system received by the first receiver or the second receiver, controls transmission of the position detection signals and transmission of the additional information via a transmitter selected from the first transmitter and the second transmitter, to the position detection system.